Slide valve



Sept 3, 1929. M. Q. KLQSE. 1 727,068

SLIDE VALVE Filed Jan. 26, 1927 2 Sheets-Sheet 1 Ml A Ti! Jii Sept. 3, 1929. M. o. KLOSE 1,727,063

SLIDE VALVE Filed Jan. 26, 1927 '2 Sheets-Sheet 2 Patented Sept. 3, 1929.

UNITED STATES MAX o. KLOSE, or SANLDUSKY, 01110.

SLIDE VALVE.

Ap lication d January 26, 1927. Serial No. 163,606.

The invention relates to slide valves to be used more particularly as cut-offs in vertically directed pipes conducting granular or floury material, it being understood that ordinary wedge slide valves used for liquids are not satisfactory for use in pipe lines conducting granular or fioury material because the granular or floury material binds and prevents the tight seating of the wedge slide valve.

The objects of the present improvements are to provide a slide valve for use in pipe lines conducting granular or floury material as aforesaid, and which will not be subject to the defects of ordinary wedge slide valves intended for liquids when used for granular or floury material.

These objects are attained by a construc tion and arrangement which may be described in general terms as including in a preferably vertical pipe line, an upper pipe section and a lower pipe section and-the ends of the sections being preferably coaxial and adj acently spaced from each other, a preferably thin slide plate having an area substantially greater than the cross-sectional area of the adjacent pipe ends, an open slide plate mounting preferably connected to both of the pipe sections and the slide plate being adapted for reciprocation in the open mounting whereby the plate may be selectively extended between or withdrawn from between the adj acently spaced pipe ends, and there being preferably provided spring means normally pressing the slide plate in abutment with the upper pipe end.

A preferred embodiment of the invention is illustrated in the accompanying drawings forming part hereof, in which:

Figure 1 is a top plan view of the improved slide valve, portions of the pipe line distant from the valve being broken away, and the A v by side arrangement of a plurality of the improved slide valves; and

Fig. 6, a top plan view illustrating a tandem arrangement of a plurality of my improved slide valves.

Similar numerals refer to similar parts throughout the several views.

The preferably vertically directed pipe line 1 may include an upper pipe section 2 and a lower pipe section 8, and the lower end 4 of the upper pipe section 2 being preferably coaxial with and adjacently spaced from the upper end 5 of the lower section 3.

The adjaceint pipe sections 2 and 3 have secured thereto an open valve slide plate mounting indicated generally at 6 and which preferably includes an upper horizontal laterally extending wall 7 and a lower horizontal wall 8 vertically spaced, from each other and from the ends of the adjacent pipe sections as by means of a plurality of collars 9 arranged between the walls 7 and 8 adjacent the longitudinal side edges thereof, the walls 7 and 8 having suitable apertures therein registering with the collar apertures, and there being bolts 10 passing through the registered apertures of the walls and the collars and provided with nuts 11 screwed upon their outer ends,thus securing the walls and collars together and forming the open slide plate mounting.

The upper and lower walls 7 and 8 are provided with suitable opposite apertures preferably located axially at oneend thereof, and the apertures fitting over the adjacently spaced pipe section ends 4 and 5. The pipe sections 2 and 3 are preferably externally threaded for suitable distances from their ends 4 and 5 and the slide plate mounting (3 is secured to the pipe sections preferably by means of pairs of clamping nuts 12 and 12, a nut 12 being screwed upon each of the threaded ends of the pipe sections 2 and 3, and the apertures in the walls 7 and 8 being passed respectively over the ends of the pipe sections 2 and 3, and a nut 12 being screwed upon each of the pipe sections for spacing and clamping the walls 7 and 8 respectively thereon.

Laterally spaced and longitudinally extending valve slide plate V guides 13 extend from each wall 7 and 8 towards the opposite wall between each of the rows of collars and the pipe sections, and the guides are preferably formed integral with the walls 7 and 8 by V bending the same as best illustrated in Fig. 2.

A preferably horizontal and relatively thin valve slide plate 14 is arranged for reciprocation between the vertically spaced guides 13 and the horizontally spaced collars-9 for selective extension into the space between the adjacent ends 4 and 5 of the pipe sections 2 and 3 to cut-ofl? commi'lnication between the pipe sections, and for withdrawal from the space 15 to permit a communication between the pipe sections, thecross-sectional area of the plate 14 being preferably substantially greater than the cross-sectional area of the pipe ends 4 and 5, and the plate 14 preterably laterally extending a substantial distance beyond the guides 13.

At the outside 01"" each of theguides 13 in the lower wall 8, springs 16 are preferably provided, and each may be in the term of leaf spring bent upwards from a fiat side foot 17 which is suitably apertured and secured upon the bolts 11 between the collar 9 and the lower wall 8, and the springs 16 are adapted for pressing the slide plate 14 upward against the lower end 4 of the pipe section 2, when the plate reaches a partially closed position.

The means for reciprocating the slide plate 14 into and out of the space 15 between the pipe ends 4 and 5 may include a pair of laterally spaced rods 18 secured at their inner ends to theplate 14 as by rivets 19, and longitudinally extending therefrom between the guides 13 through suitable vertical apertures in a U end wall 20 whoselegs preferably fit over the ends of the walls 7 and 8 opposite the pipe sections, and the U legs being provided with suitable opposite horizontal apertures through which the end bolts 11 may extend for securing the U end upon the slide plate mounting.

The rods 18 are preferably threaded at their outer ends and a T handle 21 may be secured upon the outer ends as by means of pairs of clamping nuts 22 and 22 which clamp against both sides of the T handle head which is provided with suitable apertures for passing over the rods 18, and the preterably two-ply stem 24 of the T handle being provided with horizontal registered apertures 25 for attachmentto a suitable pull chain or the like.

By the foregoing construction and arrange-- ment for the slide valve, the slide plate 14 may be selectively reciprocated between the adjacently spaced ends 4 and 5 of the pipe sections, and withdrawn therefrom, for shutting oil or permitting communication between the pipe sections, and the area of the.

plate 14 being substantially greater than the cross-sectional area of the pipe ends 4 and 5,

the plate 14 in effect cuts through a stream of granular or, floury material which may be vertically descending through the pipe sections 2 and 3.

When the valve is in the cut-off position as bestindicated Fig. 3, the plate edges times positively efiective and which will not bind or clog up.

In the side by side arrangement of a plu rality of the valves illustrated in Fig. 5, the upper horizontal wall 7, the opposite lower wall, and the U end wall 20 may be of any suitable dimensions for accommodating any desired number of the improved slide valves side by side, each operably by its own T handle 21.

In Fig. 6 a tandem arrangement of a plurality of the improved slide valves is illustrated, including an upper horizontal plate 7 modified in size to accommodate a plurality of the slide valves arranged in tandem, and all adapted to be operated by the single T handle 21, connected through the rods 18 to one slide plate 14, which may be connected to another slide plate 14 by link rods 18, and by similarconnections any number of slide plates may be operated by the single T handle 21.

I claim:

1. A slide valve including pipe sections having ends adjacently spaced from each other, a reciprocating plate adapted for extension into and withdrawal from the space between the adjacent pipe ends, and the reciprocating plate contacting with one of the pipe ends when it is extended into the space between the pipe ends, and a laterally extend.- ing wall secured to each pipe section and spaced longitudinally from the end thereof, the walls forming an open mounting in which the plate may be reciprocated between the pipe ends.

2. A slide valve including pipe sections having ends adjacently spaced from each other, a reciprocating plate adapted for extension into and withdrawal from the space between the adjacent pipe ends, and the reciprocating plate contacting with one of the pipe ends when it is extended into the space between the pipe ends, and open means mounting the plate for reciprocation between the pipe ends, the mounting means including spaced guide walls for the reciprocating plate. I

3. A slide valve including pipe sections having ends adjacently spaced from each tension into and withdrawal from the space between the adjacent pipe ends and the re other, a reciprocating plate adapted for exciprocating plate contacting with one of the pipe ends when it is extended into the space between the pipe ends, and open means mounting the plate for reciprocation between the pipe ends, the mounting means including spaced guide walls for the reciprocating plate and spring means adapted for pressing the plate against oneof the pipe ends when the plate reaches a predetermined position between the pipe ends.

4. A slide valve including upper and lower pipe sections having ends adjacently spaced from each other, a reciprocating plate adapted for extension into and withdrawal from the space between the adjacent pipe ends, and the reciprocating plate contacting with one of the pipe ends when it is extended into the space between the pipe ends, and a laterally extending wall secured to each pipe section and spaced longitudinally from the end thereof, the walls forming an open mounting in which the plate may be reciprocated between the pipe ends.

5. A slide Valve including upper and lower pipe sections having ends adjacently spaced from each other, a reciprocating plate adapted for extension into and withdrawal from the space between the adajacent pipe ends, and the reciprocating plate contacting with one of the pipe ends when it is extended into the space between the pipe ends, and open means mounting the plate for reciprocation between the pipe ends, the mounting means including spaced guide walls for the reciprocating plate.

6. -A slide valve including upper and lower pipe sections having ends adjacently spaced from each other, a reciprocating plate adapted for extension into and withdrawal from the space between the adjacent pipe ends and the reciprocating plate contacting with one of the pipe ends when it is extended into the space between the pipe ends, and open means mounting the plate for reciprocation between the pipe ends, the mounting means including spaced guide walls for the reciprocating plate and spring means adapted for pressing the plate against one of the plpe ends when the plate reaches a predetermined position between the pipe ends.

In testimony that I claim the above, I have hereunto subscribed my name.

MAX 0. KLOSE. 

